Microwave sources based on backward-wave oscillators (BWOs) driven by relativistic electron beams are capable of producing high power coherent radiation in the cm and mm wavelength region. When the axial magnetic field is ...

Radack, D.; Booske, J.; Carmel, Y.; Destler, William(Copyright 1989 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics., 1989-11-13)

The propagation of a relativistic sheet electron beam through a spatially periodic magnetic
field (wiggler) has been studied experimentally. The wiggler serves two purposes; it provides
beam focusing as well as the ...